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SterilEnz®-II/AT, 1/4" HB x 1"/1.5", Polypropylene, Silicone Gasket, Autoclaveable, 10/pk

Item code: 2AT-416-TC-10
Availability: Stock
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Facts at a Glance
Sold by Pack of 10 units
Availability In Stock
Animal Content No Animal Derived Materials
Display Ordering Table  Validation Data
Literature Literature Link

SterilEnz®-II/AT: Standard Sanitary Fittings for Single-Use Systems

Gamma & Autoclave Stable: Polypropylene Adapters

SterilEnz®-II/AT connectors come with a platinum cured, medical grade silicone gasket mechanically attached to the fitting face. SterilEnz®-II/AT fittings are made rugged inert polypropylene suitable for either autoclaving or gamma-irradiation. The new II/AT series is available in seven fitting sizes. Some of the features and benefits are listed below:

  • A Standard Sanitary Clamp Fitting: Per ASME BPE Specifications.
  • Class VI Compliant Materials: Certificates included.
  • Improved Flow Characteristics: Many parts feature a contoured fluid pathway, no right angles within part body.
  • Mono-Barb Design: Won't leak or blow-off like stepped barbs can.
  • Superior Tooling: Zero mold parting lines on all critical sealing surfaces!
  • Gamma-Stable: For use in irradiated disposable systems, 25 - 40kGy.
  • Autoclaveable: Recommended cycle; 123C for 30 minutes.
  • Animal Free: Certified free from any animal derived components or processes.

Protected by U.S. Patent 7,950,700, other patents pending
SterilEnz® is a registered trademark of PAW BioScience Products, LLC.

Buy here or from
Cole Parmer Website      Qosina Website

SterilEnz®-II/AT - Technical Specifications (conducted on finished goods, post gamma)

USP <88>: Class VI Biological reactivity tests, in vivo
USP <87>: Cytotoxicity, MEM Elution, in vitro
USP <661>: Physicochemical Test for Plastics
USP <1207>: Sterile Product Packaging - Hose Barb Integrity Evaluation, via microbial immersion
ASTM F756-00 : Rabbit Blood Cell Hemolysis
SterilEnz®-II/AT are certified ADCF (animal derived component free).
All SterilEnz®-II/AT products are assembled inside a certified ISO 5 (Class 100) environment

Sterilization Methods

Gamma irradiation Up to 50 kGy
Autoclave 123C for 30 minutes

General Operating Specifications

Part Number

Hose Barb


Max Operating

Max Operating

Mini Sanitary
75 psi
-20C to 75C
Mini Sanitary
75 psi
-20C to 75C
Mini Sanitary
75 psi
-20C to 75C
75 psi
-20C to 75C
75 psi
-20C to 75C
75 psi
-20C to 75C
75 psi
-20C to 75C

SterilEnz® - BarbLock & Cable Tie Matrix

SterilEnz® Barb Size


Cable Tie (2)

Tubing Dimensions

1/4" BL135251 71295K634 1/4” ID x 3/8” OD (0.063 wall) MasterFlex® Size 17
1/4" BL135252 71295K634 1/4” ID x 7/16” OD (0.094 wall) MasterFlex® Size 24
1/4" BL135252 71295K634 1/4” ID x 1/2" OD (0.125 wall) MasterFlex® Size 26
3/8" BL135374 TY5242M 3/8” ID x 1/2" OD (0.063 wall) MasterFlex® Size 70
3/8" BL135375 TY5242M 3/8” ID x 9/16” OD (0.094 wall) MasterFlex® Size 36
3/8" BL135376 TY5242M 3/8” ID x 5/8” OD (0.125 wall) MasterFlex® Size 73
1/2" BL135500 TY5242M 1/2” ID x 11/16” OD (0.063 wall) MasterFlex® Size 19
1/2" BL135501 TY5242M 1/2” ID x 3/4” OD (0.125” wall) MasterFlex® Size 81,82
3/4" BL135750-AL TY5242M 3/4” ID x 1-1/8" ” OD (0.125” wall) MasterFlex® Size 91

These are general recommendations. Your application, product, temperature, pressure, tubing material, & pumping conditions could vary.. You are responsible to determine if the combination of the product, tubing, BarbLock & fitting is acceptable. We assume no responsibility or liability.